sentences:  The origin of the name "Balatonföldvár" is from Lake Balaton, the lake bordering the town, and the "földvár" (in English "earth castle").The "földvár" was built in the late Iron Age, during the occupation of the Celts.The well-preserved trenches and mounds of this structure are clearly visible on the "magaspart" (in English "high shore", the area above the cliff).