Yeah, definitely cool.
Quick notes here...
The major powers of modern Khorviare...
The Kingdom of Thrane
(covers what was Thrane and what was Aundair)
Government: Constitutional Monarchy, though the monarch has little power
Head of State: Queen (currently Nyllestra ir'Wynarn)
Head of Government: Prime Minister (currently Andri Varikah)
Population: 28 million (75% human, 22% half-elf, 3% other)
Capital: Flamekeep
Religion: Orthodox Church of the Silver Flame 70% (established church), Reformed Church of the Silver Flame 10%, Gabrielite 5% (an ascetic sect of the Church of the Silver Flame), other Flamic sects 5%, Sovreign Host 5%, other/aetheist 5%
The Republic of South Khorvaire
(covers what was Breland, Zilargo, and Darguun)
Government: Republic
Head of State/Government: President (currently Alain Bakker)
Population: 35 million (80% human, 15% half-elf, 2% gnome, 3% other)
Capital: Sharn
Religion: Orthodox Church of the Silver Flame 35%, Reformed Church of the Silver Flame 30%, Sovreign Host 15%, other Flamic sects 10%, other/aetheist 5%
Maradal Principalities
(covers what was Valenar, some parts of the Talenta plains, and some parts of Q'Barra; also claims the sparsely-populated region that was once the Mournland*)
Government: Aristocracy
Head of State/Government: First of the Council of Lords (currently Lady Cinella ir'Pylan)
Population: 18 million (60% human, 35% half-elf, 1% elf, 4% other)
Capital: Maradal (near where Pylas Maradal was)
Religion: Sovreign Host 35%, Undying Court 15%, Reformed Church of the Silver Flame 20%, Orthodox Church of the Silver Flame 15%, other Flamic sects 5%, other/aetheist 10%
* The mist over the Mournland had noticeably began to fade in 1117 YK, and had completely dissipated by the time of the cataclysm. The cause of the Day of the Mourning was never discovered. Scattered independent settlers live in the region, but residual fear keeps all but the most hardy out.