Simeku
A language of Papua New Guinea
| Population | 3,000 (2007 SIL). 2,000 Koopei and 1,000 Mainoki. |
| Region | Bougainville Province, Crown Prince Range west of Arawa, Mainoki on west slope and Koopei east. |
| Language map |
Papua New Guinea, Map 13, reference number 625 |
| Dialects | Mainoki (Mainoke), Koopei (Kopei, Korpei). Not functionally intelligible with Naasioi [nas]. |
| Classification | South Bougainville, Nasioi |
| Comments | People culturally conservative. |

