Kostomlaty
Kostomlaty is the name of several places in the Czech Republic:
- Kostomlaty nad Labem , municipality in Okres Nymburk
- Kostomlaty pod Milešovkou , a municipality in Okres Teplice
- Kostomlaty pod Řípem , a village in Okres Litoměřice
and from two castle ruins in the Czech Republic:
- Kostomlaty Castle near Kostomlaty pod Milešovkou in Okres Teplice
- Kostomlaty Castle near Kostomlaty nad Labem in Okres Nymburk, see Mydlovar Castle