Minas Tirith

Théoden lies in state within the Tower of Ecthelion 

The wedding-feast that followed was filled with the mirth and laughter of many friends and comrades, and at least one father and daughter.
 

The ceremony brought tears of joy to the eyes of many in attendance, perhaps no one more than Princess Lothíriel.

And Aragorn the King Elessar wedded Arwen Undómiel in the City of Kings upon the day of Midsummer, and the tale of their long waiting and labours was come to fulfilment.[1)

(1) J.R.R. Tolkien, The Lord of the Rings, 'The Return of the King', The Steward and the King

So glad was the reunion of members of Laurië Lassi that they soon found themselves giving a celebratory concert in Minas Tirhith's Blue Theatre.

First rode Elrohir and Elladan with a banner of silver, and then came Glorfindel and Erestor and all the household of Rivendell, and after them came the Lady Galadriel and Celeborn, Lord of Lothlórien, riding upon white steeds and with them many fair folk of their land, grey-cloaked with white games in their hair, and last came Master Elrond, mighty among Elves and Men, bearing the sceptre of Annúminas, and beside him on a grey palfrey rode Arwen his daughter, Evenstar of her people.(1)

The entrance to the High Guest House found on the seventh tier of MInas Tirith. The banners of Elendil and Gil-Gilad, the High King of the Dúnedain and the High King of the Noldor, respectively, are displayed. 

Aragorn II Elessar, King of Gondor and Arnor
Son of Arathorn and Gilraen
and
Arwen Undómiel
Daughther of Elrond and Celebrían 

Ask the honour of thy company
at their most joyous wedding,
and the union of Elves and Men
at the Citadel of Minas Tirith on Midsummer's Day
this year 3019 of the Third Age.

'Now come the days of the King, and may they be blessed while the thrones of the Valar endure!' - Mithrandir (1)

(1) J.R.R. Tolkien, 'The Return of the King', The Steward and the King

Those who fell defending the White City were memorialised with a great pyre on the battlefield