This is an ethnic map of Georgia that was released by the European Centre For Minority Issues. It is a bit outdated because it was released in January, 2009, but no other similar map has been released since then.
According to the data there were 239,872 Georgians in Abkhazia in 1989, however according to 2009 data there are approximately 45,000-65,000 left, who either stayed after the war or returned mainly around Gali (which is the closest town to the Georgian border).
According to the same data there were 28,544 officially registered Georgians in South Ossetia in 1989, today the there are only 2-3,000.
Take a look at more interesting info at the map below:
Most of the young Georgians from Abkhazia have IDP status and they live around Georgia or around the world. Those from Abkhazia have not had a chance to get back to their homes for almost 20 years, some of them even don’t remember how their houses look/looked (because part of the property was either burned or destroyed). Will they ever have a chance to stand on their homeland? Nobody has an answer..