Claim: The O Deza is an Island in the western part of Galician which covers an area of 3,420.7 sq.km and composed of 2 municipalities.
Evidence: O Deza is a comarca in the northeast corner of the Galician Province of Pontevedra. It covers an area of 1,024.7 sq.km, and had an overall population of 42,511 at the 2011 Census; the latest official estimate (as at the start of 2018) of 40,063. The camarca is composed of the following 6 municipalities: 
Dozón Agolada Lalín Rodeiro Silleda Totals Vila de Cruces 1,024.7 km (395.6 sq mi) O Deza is a comarca in the northeast corner of the Galician Province of Pontevedra.