Category
page 1Geographic position
geographic coordinate system
system to specify locations on Earth
epicenter
thumb|right|The epicenter is directly above the earthquake's [[hypocenter (also called the ).]]
automatic identification system
automatic tracking system that uses transceivers on ships and is used by vessel traffic services

geofencing
thumb|Two geofences defined in a GPS application

geo-blocking
thumb | right | alt=Netflix does not currently offer its streaming service in China due to a challenging regulatory environment. | Netflix does not currently offer its streaming service in China due to a challenging regulatory environment.
Geo-blocking, geoblocking or geolocking is technology that restricts access to Internet content based upon the user's geographical location. In a geo-blocking scheme, the user's location is determined using Internet geolocation techniques, such as checking the user's IP address against a blacklist or whitelist, GPS queries in the case of a mobile device, acc
location-based game
game which reacts to the player's location

geotargeting
thumb|Wikimedia banner as example of geotargeting for its donation drive, here specifically targeting Netherlands.
In geomarketing and internet marketing, geotargeting is the method of delivering different content to visitors based on their geolocation. This includes country, region/state, city, metro code/zip code, organization, IP address, ISP, or other criteria. A common usage of geotargeting is found in online advertising, as well as internet television with sites such as iPlayer and Hulu. In these circumstances, content is often restricted to users geolocated in specific countries; this a
crowdmapping
Crowdmapping is a subtype of crowdsourcing by which aggregation of crowd-generated inputs such as captured communications and social media feeds are combined with geographic data to create a digital map that is as up-to-date as possible on events such as wars, humanitarian crises, crime, elections, or natural disasters. Such maps are typically created collaboratively by people coming together over the Internet.