Seixal (Portuguese pronunciation: [sɐjˈʃaɫ]) is a Portuguese city in the district of Setúbal, Lisbon region and sub-region of the peninsula de Setúbal, with about 31 600 inhabitants, situated across the Tagus River estuary from Lisbon and next to the Rio Judeu ("Jewish River").The present Mayor is Joaquim Santos, elected by the Unitarian Democratic Coalition since September 2013.