Subsequently he became the king of the entire kingdom of munster.
British Dictionary definitions for munster
a province of SW Republic of Ireland: the largest of the four provinces and historically a kingdom; consists of the counties of Clare, Cork, Kerry, Limerick, Tipperary, and Waterford. Capital: Cork. Pop: 1 100 614 (2002). Area: 24 125 sq km (9315 sq miles)
a city in NW Germany, in North Rhine-Westphalia on the Dortmund-Ems Canal: one of the treaties comprising the Peace of Westphalia (1648) was signed here; became capital of Prussian Westphalia in 1815. Pop: 269 579 (2003 est)