From the Wikipedia page 
Ponte de Lima (Portuguese pronunciation: [ˈpõt(ɨ) ðɨ ˈlimɐ]), is the oldest vila (chartered town, head of a municipality) in Portugal. It is part of the district of Viana do Castelo. The population in 2011 was 43,498, in an area of 320.25 km². The town proper has about 2,800 inhabitants.
It is named after the long medieval bridge that passes over the Lima river that runs next to the town.
The present Mayor is Victor Mendes, elected by the People's Party (CDS-PP). It is the only municipality in Portugal ruled solely by this party. The municipal holiday is 20 September.