The historical development of Hungary's territorial boundaries
Oct 15, 2026
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Hungary is a country in Central Europe.
Today, it is rather small, at just over 93,000 square
kilometers. But previously in its history,
Hungary was much larger, with its rule stretching over
vast lands outside what is today their national territory.
In this video, I want to take a look
at that territorial evolution,
understanding how the Hungarian state was first created,
how it evolved throughout time until modern days,
and how its territory evolved and changed
alongside that history. This is the territorial evolution of Hungary.
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And now, back to the video.
The earliest we can trace the arrival of Hungarians to the general
area in which they exist today is the time of the Magyar invasion.
Before this, Hungarian
territories were ruled by various people,
namely the Roman Empire, the Huns, the Ostrogoths or
the Avar Khaganate. But during the 9th century,
the Magyars arrived, conquering the Carpathian
Basin and allowing these early Hungarians
to settle for the first time in Central Europe.
And they were no strangers to that land.
You see, other than the Romans, the Huns or the Ostrogoths,
the Carpathian Basin had also later been ruled
by three early medieval powers, the First Bulgarian
Empire, East Francia and Moravia,
which had fought each other for the control of this Carpathian
Basin, and each occasionally hired Hungarian horsemen as soldiers.
Therefore, the Hungarians
who dwelled in the Pontic steppes east
of the Carpathians were already very familiar with their
future homeland when the conquest began.
There are various theories as to why these Hungarians
moved towards Central Europe after dwelling in the east for so long.
Some state it was fully
planned by them, wanting to establish a new homeland
in a more prosperous region, but others
state that they were pushed to the west
by the attack of other eastern peoples, the Pechenegs
and the Bulgarians. This great gift shows us that theory
and the process of what became known as the
Hungarian land taking,
pushing back those who ruled those areas and settling them themselves,
either by founding new settlements
or joining those that already existed. Finally, establishing
a Christian kingdom in around the year 1000, which lasted until 1918.
That's almost 1000 years.
Granted, the regime changed a lot,
and the amount of sovereignty they technically had also did,
and most importantly, their territory. So, let's take a look at that.
In the following years after
that year 1000 establishment, the Kingdom of Hungary,
which already occupied a pretty gigantic territory in Central Europe,
expanded even further,
moving past Pannonia and onto the Adriatic coast.
The name Pannonian comes from the province of the
Roman Empire, which included part of these territories.
By 1190, during the kingdom of
Bela III, Hungary included all of this territory,
encompassing what is today Hungary itself,
but also Romanian Transylvania, Slovakia,
Slavonia, Croatia, and Bosnia. They didn't
rule each area directly
and there were a good number of local autonomies by the late 1200s,
in addition to an impressive administrative division,
especially for a medieval state,
but this Hungarian glory was short-lived.
And the reason was simple. The Mongols.
In 1241, the Mongolian hordes led by Batu Khan invaded Hungary.
Severely outnumbered,
the Hungarians were defeated decisively
in the Battle of Mohi. One of the sources that
wrote about this Mongolian invasion wrote,
More than 500,000 Hungarian people were massacred
and the whole kingdom reduced to ashes.
Estimates estimate the losses between 20 and 50 percent of
the population. In the plains,
between 50 and 80 percent of the settlements were destroyed. This
allows us to really understand the aggressiveness
and the devastation that the Mongolian invasions
brought. A few years later, in 1301,
the ruling dynasty ran its course and was extinct. The last
King's death created an opportunity for lower lords,
who had by that time achieved de facto
independence, to strengthen their local autonomy,
creating an interregnum of the kingdom's existence
until 1308. One took over Slovakia,
another administered Transylvania and Croatia became
temporarily independent as well.
Eventually, a new heir regained those lands by 1323, fighting
a difficult war of unification.
And so, their temporarily shattered territory was restored.
The new king, Charles I, now of the Angevin dynasty,
successfully restored power and Hungary
was thriving once again. One of the reasons
those initial tribes had moved in was due to the wealth
of the Hungarian territory, namely in gold.
At this time, they were producing 1,350 kilograms
of gold a year. That was one third of the global production
at the time. The second Hungarian king
of the Angevin line, Louis the Great,
extended his rule as far as the Adriatic Sea and occupied
the Kingdom of Naples several times.
In two successful wars against Venice, he was able to
annex Dalmatia, Ragusa,
and further territories on the Adriatic coastline. Some Balkan states,
such as Wallachia, Moldova, Serbia,
and Bosnia became his vassals, and successful campaigns
were led against the Ottomans.
In this map, we can see just how far their reach extended during
the 14th century, although rule over Wallachia
and Moldova was temporary. The last strong Hungarian
king was Matthias Corvinus who ruled from 1458 to 1490
and he was the last ruler which attempted
a further territorial expansion.
He set out to build a realm that would expand to the south
and northwest and while he lost some small territories
and failed to conquer or reconquer
many of the others, he was actually successful
in conquering lands to the west and north. We can see
his main campaigns in this map.
He wanted Hungary to become strong enough to fully push back the
Ottomans, which he deemed their biggest threat.
And so, he moved against the Holy Roman Empire,
going to war with Austria and also Bohemia,
thinking that if he could defeat those powers
and conquer territory from them,
then he would become powerful enough to face the Ottomans
and beat them decisively,
using a standing mercenary army called the Black Army. But again,
the great success was short-lived.
Matthias died without a direct successor and the following
rulers allowed Hungary to fall into chaos,
weakening it and opening the door for Ottoman
conquest of their territories.
In 1521, the strongest Hungarian fortress in the south,
where modern Belgrade is in Serbia, fell to the Turks.
And in 1526, the Hungarian army was crushed
at the Battle of Mohacs. After this,
the Ottomans conquered large areas of Hungarian territory,
expanding their rule up to 1556.
We can see it here on this map. The territory previously held
by the Hungarians was almost entirely occupied by the Ottomans,
reorganizing it into Eyalets,
an administrative division of the Turks,
including the area where modern Hungary is.
This period of history is really confusing,
but from what I could understand, the remaining
Hungarian lands actually broke up into two,
the Principality of Upper Hungary and Royal Hungary.
The principality maintained some autonomy,
but was essentially an Ottoman vassal state.
But correct me in the comments if I'm wrong about this.
While royal Hungary became a part of the Habsburg monarchy,
with the Habsburg king holding most control over it.
In fact, the northwestern part of the old kingdom of Hungary,
present-day Slovakia, western Transdanubia and Burgenland,
plus western Croatia and parts of present-day Hungary itself,
remained under Habsburg rule.
On this map, we can see how the control of the Habsburgs grew
so much during this period and also the one that followed.
The Habsburg emperors would, from then on,
be crowned also as kings of Hungary.
Only over 100 years later, in 1686,
did a large European force come together,
known as the Holy League, to retake the Balkans from the Turks.
A joint army of 74,000 men with German, Croat, Hungarian, Italian,
even Danish, French, English and Spanish soldiers defeated the Ottomans
and reconquered all the former Hungarian lands.
In the Treaty of Karlovitz in 1699,
these territorial changes were officially recognized and in 1718,
the entire Kingdom of Hungary was removed from Ottoman rule.
But while political control of the lands was restored,
the amount of Hungarian people that
were effectively left and living in those areas
was significantly diminished, as a consequence
of the constant war of over a century.
And it was arguably not the same as before. Hungary was now
directly connected with the Habsburgs,
and they were the true rulers of Hungary for a great period
of time. The territory was restored,
in great similarity to what they initially had in that
great first kingdom, but the kingdom itself was not.
What followed from this point onward was the
evolution of Hungary's status within the Habsburg Empire,
then transforming into Austria-Hungary,
which existed from 1867 to 1918.
As far as I know, during this period there were no significant
territorial changes, if any at all,
to Hungary's territory within the empire, save in 1868 when
Croatia was recognized as an autonomous region.
In this map, we can see the counties of the kingdom
of Hungary within the empire in 1880 and in this one,
the percentage of Magyars in the territory.
It's very interesting to see that.
Despite the distribution being throughout the whole territory,
the areas in which the highest concentration took place
are in the shape of modern Hungary.
The only exception is the highest values being
at this eastern tip of Transylvania where a
large Hungarian population exists even today.
And by this time, we are getting close to Hungary's
modern form. However, two key moments
of territorial changes were still about to take place,
each of them connected to one of the world wars.
In the First World War, Hungary was a part of the
Austro-Hungarian Empire still,
a member of the Central Powers which were defeated. Upon defeat,
the empire was dissolved and its territories divided.
Hungary especially lost the vast
majority of its land through the Treaty of Trianon.
In this map, we can see which territories
they lost and to who.
Austria, Yugoslavia, Czechoslovakia and Romania each took a piece
of the former kingdom of Hungary.
In this other map, we can see the composition of the population
in each area and we can see how there were in fact
a good number of Hungarians in both Slovakia
and Transylvania. And it was a very significant loss of territory.
They even made propaganda
posters of other countries attempting to illustrate
to them what such a loss would mean in their
context, the US, the UK, Germany, France, and Italy.
Of course, the argument was that those
territories were not rightfully Hungarian,
being populated in majority by other peoples, which
wasn't the case for the comparisons they made.
After this moment, Hungary was finally the way
we know it today. But one key moment is missing, World War II.
As Hungary sided with the Axis
powers, its territory grew throughout the war.
In 1938, the First Vienna Award granted them a small
part of Slovakia when the Germans had annexed the rest.
Soon after, they also occupied Carpathian
Ruthenia in 1939, just as the war was beginning.
The Second Vienna Award awarded them Transylvania
once again, taking it away from Romania in 1940.
And finally, in 1941, they annexed some of the
Yugoslav territories, almost entirely restoring
their losses from the Treaty of Trianon. However,
the Axis powers were also defeated,
and so all of these territorial gains were lost for Hungary,
which at the end of the conflict was once again reduced,
reaching the territory it has today.
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So, that is the territorial evolution of Hungary,
how it began from an early migratory people
arriving to central Europe and settling there,
to their expansion across neighbouring territories,
across the many issues they faced,
such as the Mongols and the Ottomans, as well as internal
struggles which, at times, led to the loss of land.
But allowing us to see how gigantic their
territory once was, whether rightfully or not.
Being reduced, then recovered, about three
different times, but then finally consolidating
the land in which the descendants of those
original Magyars were, in fact, most common in.
The land we today know as Hungary, where they
still live, along with many others who joined them there
and are rightfully Hungarian as well,
perhaps arriving to the region today
from somewhere else as the Magyars themselves did
in the 9th century. Many Hungarians still live
in the areas they lost in 1918 and then again in 1945
and that loss is sometimes still an issue discussed,
especially when it comes to Transylvania.
Thanks so much for watching this video,
subscribe if you want and leave a comment below with which
country I should do this type of video on next.
I will see you next time for more general knowledge.

