
The Siege of Bihać was the besieging and capture of the city of Bihać, Kingdom of Croatia within Habsburg Monarchy, by the Ottoman Empire in June 1592. With the arrival of Telli Hasan Pasha as the Beylerbey of the Bosnia Eyalet in 1591, a period of peace established between Emperor Rudolf II and Sultan Murad III ended and the provincial Ottoman armies launched an offensive on Croatia. Bihać, a nearly isolated city on the Una River that repelled an Ottoman attack in 1585, was one of the first targets. Thomas Erdődy, the Ban of Croatia, used available resources and soldiers to protect the border towns, but the Ottomans managed to take several smaller forts in 1591. As the offensive gained pace, the Croatian Parliament passed a law on a general uprising in the country on 5 January 1592.

In 926 a battle was fought in the Bosnian highlands between the armies of the Bulgarian Empire, under the rule of Bulgarian Tsar Simeon I, who at the time also fought a war with the Byzantine Empire, and the Kingdom of Croatia under Tomislav, the first king of the Croatian state. The battle is also known as the Battle of the Bosnian Highlands. It was fought in the mountainous area of Eastern Bosnia near the rivers Bosna and Drina, the border area between the Kingdom of Croatia and the Bulgarian Empire.

The Battle of Drava River was fought between the army of Tomislav of Croatia and the forces of Hungarian tribes led by Grand Prince Zoltán, the youngest son of Árpád, founder of the Árpád dynasty.
The Battle of Grobnik field is a legendary battle that supposedly occurred in 1242 between the Croats and the Mongols of the Golden Horde in the area below the Grobnik Castle in the present-day Čavle municipality in Primorje-Gorski Kotar County, western Croatia. The legend was recorded as late as the 16th century and was later a focus of an early romantic poem The Grobnik Field written in 1842 by Dimitrija Demeter for the 600th anniversary of the battle. Legend has it that, in a last-ditch struggle, Croats from all over the region gathered at the field and killed thousands of Mongols, who withdrew, never to return.

The Battle of Gvozd Mountain took place in the year 1097 and was fought between the army of Petar Svačić and King Coloman I of Hungary. It was a decisive Hungarian victory, which ended the War of the Croatian Succession and served as a turning point in Croatian history.

The Battle of Krbava Field was fought between the Ottoman Empire of Bayezid II and an army of the Kingdom of Croatia, at the time in personal union with the Kingdom of Hungary, on 9 September 1493, in the Krbava field, a part of the Lika region in Croatia.

The Siege of Lastovo in 1000 was part of the campaign of Doge Pietro II Orseolo in southern Croatia and its bloodiest armed conflict between the citizens of Lastovo island and the army of the Venice. The siege resulted in a Venetian victory and Lastovo became part of the Venetian Republic for a while.

The Battle of Mohács was one of the most consequential battles in Central European history. It was fought on 29 August 1526 near Mohács, Kingdom of Hungary, between the forces of the Kingdom of Hungary and its allies, led by Louis II, and those of the Ottoman Empire, led by Suleiman the Magnificent. The Ottoman victory led to the partition of Hungary for several centuries between the Ottoman Empire, the Habsburg Monarchy, and the Principality of Transylvania. Further, the death of Louis II as he fled the battle marked the end of the Jagiellonian dynasty in Hungary and Bohemia, whose dynastic claims passed to the House of Habsburg. The Battle of Mohács marked the end of the Middle Ages in Hungary.

The Siege of Trsat was a battle fought over possession of the town of Trsat in Liburnia, near the Croatian–Frankish border. The battle was fought in the autumn of 799 between the defending forces of Dalmatian Croatia under the leadership of Croatian duke Višeslav, and the invading Frankish army of the Carolingian Empire led by Eric of Friuli. The battle was a Croatian victory, and the Frankish commander Eric was killed during the siege.

The Siege of Zadar was a successful attempt of the Republic of Venice to capture Zadar, a Croatian coastal city in northern Dalmatia. It was a combined land and sea offensive by the Venetians, consisting of many separate battles and operations against the citizens of Zadar, who refused to accept Venetian suzerainty and demanded autonomy. Despite receiving military aid from Croato-Hungarian king Louis the Angevin, Zadar was unable to resist the siege and was finally defeated.

The Siege of Zara or Siege of Zadar was the first major action of the Fourth Crusade and the first attack against a Catholic city by Catholic crusaders. The crusaders had an agreement with Venice for transport across the sea, but the price far exceeded what they were able to pay. Venice set the condition that the crusaders help them capture Zadar, a constant battleground between Venice on one side and Croatia and Hungary on the other, whose king, Emeric, pledged himself to join the Crusade. Although some of the crusaders refused to take part in the siege, the attack on Zadar began in November 1202 despite letters from Pope Innocent III forbidding such an action and threatening excommunication. Zadar fell on 24 November and the Venetians and the crusaders sacked the city. After spending the winter in Zadar the Fourth Crusade continued its campaign, which led to the Siege of Constantinople.

The Siege of Zadar in 998 was part of the third Croatian–Bulgarian war and one of the last military conflicts between Croatian forces of King Svetoslav Suronja, supported by Venice and the Byzantine Empire, and the army of Emperor Samuil, who launched a large-scale Bulgarian military campaign against the Kingdom of Croatia.