Jonai is a village in Kalvarija Municipality, in Marijampolė County, Lithuania. Jonai lies at 118 m above sea level. It has 123 inhabitants (2021). The nearest city is Marijampolė, 15.2 km to the northeast. Near the border: Poland, 15 km. Among the landmarks around are Puńsk synagogue (21 km), Church of the Assumption in Puńsk (21 km) and Beit Midrash Synagogue (2.5 km).
Landmarks around
- Evangelical Lutheran Church in Kalvarijachurch building
- Beit Midrash Synagoguesynagogue
- Chapel in Deivoniškiaichapel
- Church of St. Michael the Archangel, Marijampolėchurch building
- Marijampolė Synagoguesynagogue
- Puńsk synagoguesynagogue
- Church of the Assumption in Puńskchurch building
- Vilkaviškis Cathedralcathedral