word | | Disputes - international |
| Abkhazia | Russia | ... volatile areas such as the Pankisi Gorge in the Akhmeti region and the Kodori Gorge in Abkhazia; Azerbaijan, Kazakhstan, and Russia signed equidistance boundaries in the Caspian seabed but the littoral states ... |
| able | United States | ... around the disputed Machias Seal Island and North Rock; The Bahamas and US have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from ... |
| Abu | Iran | ... of the Shatt al Arab in the Persian Gulf; Iran and UAE dispute Tunb Islands and Abu Musa Island, which are occupied by Iran; Iran stands alone among littoral states in insisting ... |
| Abu | United Arab Emirates | ... and Al Madhah enclaves, but contents of the agreement and detailed maps showing the alignment have not been published; Iran and UAE dispute Tunb Islands and Abu Musa Island, which Iran occupies |
| Abundant | Mexico | Abundant rainfall in recent years along much of the Mexico-US border region has ameliorated periodically strained water-sharing arrangements; the US has intensified security measures to monitor and control legal and ... |
| abundant | United States | ... Mexico, to monitor and control legal and illegal personnel, transport, and commodities across the international borders; abundant rainfall in recent years along much of the Mexico-US border region has ameliorated periodically ... |
| accepted | Senegal | ... raids, and arms smuggling into their countries from Senegal's Casamance region, and in 2006, respectively accepted 6,000 and 10,000 Casamance residents fleeing the conflict; 2,500 Guinea-Bissau residents fled into Senegal ... |
| access | Bolivia | ... Atacama corridor, ceded to Chile in 1884, but Chile offers instead unrestricted but not sovereign maritime access through Chile for Bolivian natural gas and other commodities; an accord placed the long-disputed ... |
| access | Bosnia and Herzegovina | ... dispute between Bosnia and Herzegovina and Serbia; discussions continue with Croatia on several small disputed sections of the boundary related to maritime access that hinder final ratification of the 1999 border agreement |
| access | British Indian Ocean Territory | ... group of Chagossians visited Diego Garcia in April 2006; repatriation is complicated by the exclusive US military lease of Diego Garcia that restricts access to the largest viable island in the chain |