Zalissia is a village in Khmelnytskyi Raion, in Khmelnytskyi Oblast, Ukraine. Zalissia lies at 300 m above sea level. The nearest city is Starokostiantyniv, 19.1 km to the southeast. Among the landmarks around are Samchyky Palace and Park Ensemble (26 km), Starokostiantyniv Castle (19.1 km) and Dominican monastery in Starokostiantyniv (19.3 km).

Also written Залісся.