Status of a lishkah, in terms of entering while impure: Zevachim 55b
Status of a lishkah, in terms of eating korbanot there: Zevachim 55b
Law
The relative sanctity of various areas of the heichal and the azarah: Zevachim 14a
The azarah as one of the potential points of demarcation to determine responsibility for one who is outside of it when the first Pesach offering is brought, to bring a Second Pesach Offering: Pesachim 93b, 94b
The azarah is considered a Public Area for rules involving Doubtful Impurity: Pesachim 19b
The azarah is considered to be a location in which people are extra-careful, and therefore certain potential cautious rabbinic edicts do not apply: Pesachim 36a
Method of washing out the azarah, and whether it could be done on Shabbat: Pesachim 64a
Could services meant for the Heichal be performed in the Azarah: Eruvin 2a
Removing an [impure] crawling creature found in this room during Shabbat: Eruvin 104b-105a
King David sanctified the floor of the azarah and heichal in the Beit haMikdash: Tosafot Zevachim 24a "Hoil"