Sector 5 Church

Sector 5 Church is a church present in Final Fantasy VII, persumably deserted, Aeris takes care of the flowers in the church.

Role in the game
After the explosion of Air Buster, Cloud was knocked out and fell onto the church, in which was saved by Aeris, she remarked Cloud's similarities with Zack Fair, and the two talked. Later, Reno led an group Shinra Soldiers, attempting to kidnap Aeris, the flower girl requested Cloud to be her body guard, upon agreeing, Aeris joins the party as a playable character.

During the fight with the Shinra armies, Cloud can push several barrels on top of the church, knocking down the enemies from above, therefore reducing Aeris' enemy encounters. Eventually, the both would escape from a rose window, and ends up in Midgar.

Role in Final Fantasy VII: Advent Children
The church served a pivotal role in curing the Geotisma disease, even though after the death of Aeris, the flowers continued blooming, and Cloud would visit the church every now and then. Tifa engaged a fight with Loz in the church, and later Aeris' limit break, Great Gospel was activated in the church during Cloud's battle with Kadaj, curing Cloud's Geotisma.

In the epilouge, Cloud demonstrates the healing powers of the water pooled in the church by curing Denzel of his Geostigma, and then the remainder of the afflicted children, in a baptismal-like ceremony. He then looks up and sees Aerith crouching by some other children. As she stands and walks to the doorway, she turns back to assure Cloud that he's alright now, and then steps into a white light with Zack. Cloud smiles and agrees, stating that he is not alone anymore.