Virolahti (Vederlax) is the southeastern-most municipality of Finland on the border of Russia. It is located in the Kymenlaakso region. The municipality has a population of and covers an area of undefined km2, of which undefined km2 is water. The population density is undefined PD/km2.
The municipality is unilingually Finnish.
Before World War I the Russian Emperor Nicholas II used to spend summers with his family in the archipelago of Virolahti with his yacht Standart, Finland being an autonomous province within the Russian Empire between 1809 and 1917.
The Vaalimaa border crossing, which connects the municipality with Russia, is located in Virolahti.
Virolahti lost some of its area (over 100 km2) to Soviet Union in Paris Peace Treaties, 1947 after World War II.
Villages marked with an asterisk (*) are now completely or partially on the Russian side:
Alapihlaja, Alaurpala*, Eerikkälä, Hailila, Hanski, Hellä (Heligby), Hämeenkylä (Tavastby), Häppilä, Järvenkylä, Kattilainen, Kiiskilahti* (now Kiyskinlakhti), Kirkonkylä, Klamila, Koivuniemi, Koskela*, Koskelanjoki, Kotola, Kurkela, Laitsalmi*, Länsikylä (Flonckarböle), Martinsaari* (Now Island of Maly Pogranichny), Mattila, Mustamaa, Nopala, Orslahti* (now Primorskoye), Paatio* (Båtö in Swedish, now Bolshoy Pogranitshny), Pajulahti, Pajusaari*, Pitkäpaasi* (Island of Gorniya Kamenya), Pyterlahti, Ravijoki, Ravijärvi, Reinikkala, Rännänen (Grennäs), Sydänkylä (Kallfjärd), Säkäjärvi, Tiilikkala, Vaalimaa (Vaderma), Vilkkilä, Virojoki, Yläpihlaja, Yläurpala* (now Torfjanovka).