Wikipedia
Dětmarovice
( Polish: , ) (also Dittmannsdorf) is a village in the Karviná District, Moravian-Silesian Region, Czech Republic, on the Olza River. It lies near the border with Poland, in the historical region of Cieszyn Silesia. Near the right bank of the Olza lies a complex of 15 ponds.
The name is patronymic in origin derived from German personal name Dietmar. First mentioned (ca. 1305) in Latin form Dithmari villa, later as Dytmarsdorff (1392), Dietmarsdorf (1430), Dieczmarowicz[e] (1438, 1447), Dieczmiorowice (1652), Dittmersdorf P. Dieczmorowitz (1736), Dittmansdorf, pohlnisch Dietmarowicze (1804), Dittmannsdorf, Dětmarovice, Dziećmarowice (1900).