Klokotnitsa (Bulgarian: Клокотница) is a village in southern Bulgaria in the Haskovo Municipality. It has a population of 619 people (as of June, 2005).
The village is famous for the great battle on 9 March 1230 between the Bulgarian tsar Ivan Asen II and the Byzantine Greek ruler Theodore Komnenos Doukas. After the battle, Bulgaria became for a time the largest power in the Balkan peninsula, stretching between the Black Sea, the Aegean Sea and the Adriatic Sea.
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