Oprtalj / Portole d'Istria is a municipality in the Istria County, Croatia. The number of inhabitants of the municipality in 2011 was 850th At the same time Oprtalj / Portole is the main town of the municipality with 79 inhabitants. The area is known for its truffle wealth. Oprtalj / Portole belongs to the part of Istria, in which local and information boards, many announcements and often also street names in the two traditional languages ​​Croatian and Italian are expelled.