The Chod castle was founded in mid-13th century together with a town. It stands in the south-west of Domažlice and has an oblong ground plan. The south and west sides of the building with roll-shaped tower were formed by the town ramparts wall. Czech Kings, especially John of Luxembourg and his son Charles, liked to stay here and advantaged of the hospitality of this castle.
The castle fulfilled its original function only up to the beginning of the 16th century. In the course of time, the Castle was declining, then it was destroyed by fire. Only in 1726-1728, the four-winged building was constructed on its ruins and served for needs of the kingdom and of the town. It is the regional Museum of Chodland which was built in the Stronghold. After the fire in 1995, the roof and the interior were destroyed.
First record of Kastelholma (or Kastelholm) castle is from the year 1388 in the contract of Queen Margaret I of Denmark, where a large portion of the inheritance of Bo Jonsson Grip was given to the queen. The heyday of the castle was in the 15th and 16th centuries when it was administrated by Danish and Swedish kings and stewards of the realms. Kastelhoma was expanded and enhanced several times.
In the end of 16th century castle was owned by the previous queen Catherine Jagellon (Stenbock), an enemy of the King of Sweden Eric XIV. King Eric conquered Kastelholma in 1599 and all defending officers were taken to Turku and executed. The castle was damaged under the siege and it took 30 years to renovate it.
In 1634 Åland was joined with the County of Åbo and Björneborg and Kastelholma lost its administrative status.