Marna Mountain

This is at the edge of Isenstar Lake and the Hadarac Desert in Alagaesai in Marna. This mountain marks the easternmost border of the country.

Dragon Lair
This is where the Telzradeit, The Quiet lives. The middle child of Azur.

This is a chaotic good dragon that believes in the natural progression of the country.

It's up to the party on how this meeting will move forward.

Telzradeit, The Quiet
page 105 of the Monster Manual

Adult Brass Dragon