Shron was a small, volcanic planet that was the innermost planet of the Hoth system.
Sources[]
"Hoth: Under the Ice, Part 1: Snowflake Base" (original article link) on Wizards.com (content now obsolete; backup link) (First mentioned)
"Galactic Gazetteer: Hoth and the Greater Javin" (original article link) on Wizards.com (content now obsolete; backup link)- The Essential Atlas