Exhibit 8.1
Details of the subsidiaries of GeoPark as of December 31, 2018 are set out below:
| Name | Jurisdiction | |
| GeoPark Argentina Limited | Bermuda | |
| GeoPark Argentina Limited - Argentine Branch | Argentina | |
| GeoPark Latin America Limited | Bermuda | |
| GeoPark Latin America Limited – Agencia en Chile | Chile | |
| GeoPark S.A. | Chile | |
| GeoPark Colombia E&P – Colombia Branch | Colombia | |
| GeoPark Brazil Exploração y Produção de Petróleo e Gás Ltda. | Brazil | |
| GeoPark Chile S.A. | Chile | |
| GeoPark Fell S.p.A. | Chile | |
| GeoPark Magallanes Limitada | Chile | |
| GeoPark TdF S.A. | Chile | |
| GeoPark Colombia S.A. | Chile | |
| GeoPark Colombia SAS | Colombia | |
| GeoPark Latin America S.L.U. | Spain | |
| GeoPark Colombia Coöperatie U.A. | The Netherlands | |
| GeoPark S.A.C. | Peru | |
| GeoPark Perú S.A.C. | Peru | |
| GeoPark Operadora del Perú S.A.C. | Peru | |
| GeoPark Peru S.L.U. | Spain | |
| GeoPark Brasil S.L.U. | Spain | |
| GeoPark Colombia E&P S.A. | Panama | |
| GeoPark México S.A.P.I. de C.V. | Mexico | |
| GeoPark E&P S.A.P.I. de C.V. | Mexico |