| Country | Disputes |
|---|
| Haiti | despite efforts to control illegal migration, Haitians fleeing economic privation and civil unrest continue to cross into Dominican Republic and to sail to neighboring countries; Haiti claims US-administered Navassa Island |
| Heard Island and McDonald Islands | none |
| Holy See (Vatican City) | none |
| Honduras | in 1992, ICJ ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras border, and the OAS is assisting with a technical resolution of bolsones; in 2003, the ICJ rejected El Salvador's request to revise its decision on one bolsone; the 1992 ICJ ruling advised a tripartite resolution to a maritime boundary in the Gulf of Fonseca with consideration of Honduran access to the Pacific; El Salvador continues to claim tiny Conejo Island, not mentioned by the ICJ, off Honduras in the Gulf of Fonseca; Honduras claims Sapodilla Cays off the coast of Belize but agreed to creation of a joint ecological park and Guatemalan corridor in the Caribbean in the failed 2002 Belize-Guatemala Differendum; Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over a complex maritime dispute in the Caribbean Sea |
| Hong Kong | none |
| Howland Island | none |
| Hungary | Hungary amended the status law extending special social and cultural benefits to ethnic Hungarians in neighboring states, who had objected to the law; Slovakia and Hungary have renewed discussions on ways to resolve differences over the Gabcikovo-Nagymaros hydroelectric dam on the Danube, with possible resort again to the ICJ for final resolution |
