Agios Nikolaos is a village in Monemvasia Municipality, in the regional unit of Laconia Prefecture, in the region of Peloponnese, Greece. Agios Nikolaos lies in the Parnon mountains, on the Peloponnese peninsula. It has 101 inhabitants (2021). The nearest city is Kalamata, 86 km to the northwest. Beaches nearby: Pori (6.7 km), Ambelakia (7.1 km), Xifias (7.5 km). Among the landmarks around are Epidaurus Limera (7.8 km), Zarax (16.1 km) and Asopus (11.3 km). Among the natural features are Kastania Cave (21 km).
Also written Άγιος Νικόλαος.