| Name | Kocaeli |
| Province ID | 316 |
| Continent | Europe |
| Super region | Levant |
| Region | Anatolia |
| Area | Hüdavendigar |
| Development | 12 |
| Base Tax | 4 |
| Base Production | 4 |
| Base Manpower | 4 |
| Trade node | Samarkand |
| Owner | Ottomans |
| Culture | Turkish |
| Culture Group | Levantine |
Here are the IDs of provinces that in on the same region as Kocaeli:
| Province | Province ID |
|---|---|
| Adana | 327 |
| Aksaray | 4307 |
| Amasya | 1846 |
| Ankara | 326 |
| Aydin | 4309 |
| Bitlis | 4296 |
| Bolu | 2299 |
| Bozok | 2300 |
| Canik | 2304 |
| Chios | 2348 |
| Cyprus | 321 |
| Denizli | 4308 |
| Divrigi | 4310 |
| Diyarbakir | 418 |
| Erzincan | 2305 |
| Erzurum | 331 |
| Euboea | 3003 |
| Hamid | 1848 |
| Hisn Kayfa | 4295 |
| Hüdavendigar | 317 |
| Içel | 2302 |
| Kangiri | 4313 |
| Karahisar | 4311 |
| Karaman | 324 |
| Karasi | 2296 |
| Kastamonu | 325 |
| Kayseri | 2301 |
| Kirshehir | 4314 |
| Kocaeli | 316 |
| Konya | 323 |
| Kütahya | 322 |
| Lesbos | 4700 |
| Malatya | 2303 |
| Marash | 332 |
| Mentese | 319 |
| Mush | 2306 |
| Naxos | 164 |
| Rhodes | 320 |
| Saruhan | 2297 |
| Sinop | 328 |
| Sivas | 329 |
| Sugla | 318 |
| Sultanönü | 4312 |
| Tekke | 2298 |
| Tokat | 4315 |
| Trebizond | 330 |
| Urfa | 2308 |
| Van | 2307 |
Here are IDs of provinces that are in the same area as Kocaeli:
| Province | Province ID |
|---|---|
| Hüdavendigar | 317 |
| Karasi | 2296 |
| Kocaeli | 316 |