Lisbon is the capital and most populous city of Portugal. As of 2025, it has an estimated population of 658,236 within its administrative limits, while the surrounding metropolis reaches a population of approximately 3,353,000.
The city is situated in the western portion of the Iberian Peninsula on the northern shore of the River Tagus. Its metro area includes the Portuguese Riviera, which contains Cabo da Roca, the westernmost point of Continental Europe.