Cóiced Ol nEchmacht is an ancient name for the province of Connacht, Ireland and including the area of County Clare.
to the tribe called Nagnatae on Ptolemy's 2nd century AD world map.
Each tribe ruled respective kingdoms within Ol nEchmacht.
It was only with the rise of the Connachta dynasty that the term Fir Ol nEchmacht was dropped and the province was renamed Connacht.
Nations known to have resided in Ol nEchmacht during this era included: