| Title | Type | City |
|---|---|---|
| Saints Constantine and Helen Orthodox Cathedral | Καθεδρικός Ναός | Merrillville |
| Presentation of the Virgin Mary Orthodox Church | Εκκλησία | Merrillville |
| Saint Clement Orthodox Church | Εκκλησία | Merrillville |
| Descent of the Holy Spirit Orthodox Church | Εκκλησία | Merrillville |
| Saint Elijah Serbian Orthodox Cathedral | Καθεδρικός Ναός | Merrillville |
| Saint Sava Serbian Orthodox Church | Εκκλησία | Merrillville |
| Title | Type | City |