Slovenia is a neighboring country of Croatia and shares a border with it to the northwest. Both countries are part of the former Yugoslavia and have a Slavic culture and language. Slovenia also has a coastline on the Adriatic Sea and a mountainous interior.
Serbia is another neighboring country of Croatia and shares a border with it to the east. Serbia was the dominant republic of the former Yugoslavia and fought a war with Croatia in the 1990s. Both countries have a similar climate and landscape, with plains, hills, and mountains.
Bosnia and Herzegovina is a country that lies to the southeast of Croatia and has a long border with it. It is also a former Yugoslav republic and was involved in a war with Croatia and Serbia in the 1990s. Bosnia and Herzegovina has a diverse ethnic and religious composition, with a majority Muslim population and a significant Serbian and Croatian minority.
Montenegro is a small country that lies to the southeast of Croatia and shares a maritime border with it. It is also a former Yugoslav republic and gained its independence from Serbia in 2006. Montenegro has a stunning coastline on the Adriatic Sea and a mountainous hinterland. It is a popular tourist destination and has a rich cultural heritage.
Hungary is a country that lies to the northeast of Croatia and shares a border with it. Hungary is not a former Yugoslav republic, but has a historical and cultural connection with Croatia, as both countries were part of the Austro-Hungarian Empire until 1918. Hungary is a landlocked country with a flat terrain and a continental climate. It is known for its cuisine, architecture, and spas.