Pyrgos (Greek: Πύργος, meaning "tower") is the capital of the Elis regional unit in Greece. The city is located in the western part of the Peloponnese, in the middle of a plain, 4 kilometres (2 miles) from the Ionian Sea. The river Alfeios flows into sea about 7 km (4 mi) south of Pyrgos. The population of the town Pyrgos is 25,180, and of the municipality 47,995 (2011). Pyrgos is 16 km (10 mi) west of Olympia, 16 km (10 mi) southeast of Amaliada, 70 km (43 mi) southwest of Patras and 85 km (53 mi) west of Tripoli.
Pyrgos has a train station with regular trains to the port of Katakolo and Olympia. Service on the line from Patras to Kalamata via Pyrgos has been suspended in 2011. Pyrgos has a bus terminal, served by KTEL Ileias, with regular buses for the regional routes to most places in Elis as well as for intercity routes to larger cities such as Patras, Kalamata, Ioannina, Athens and Thessaloniki. The Greek National Road 9 connects Pyrgos with Patras and Kyparissia, the Greek National Road 74 run from Pyrgos to Tripoli via Olympia.