For the kingdom in J. R. R. Tolkien's The Lord of the Rings, see Gondor.
Following the Akallabêth, the surviving Elendili who established the kingdoms of Arnor and Gondor shunned Adûnaic in favour of Sindarin due to the associations of the former with the tyrannical Ar-Pharazôn and his followers the King's Men.
The bloodlines of Anárion and Isildur were reunited by the marriage of Anárion's descendant, Fíriel of Gondor, with Isildur's descendant, Arvedui of Arthedain.
They instead chose Eärnil, who though being still of the Royal House of Gondor was not in the line of direct succession; his great-grandfather Arciryas was the brother of Narmacil II, and Eärnil's great-great-grandfather was King Telumehtar Umbardacil.
In J. R. R. Tolkien's literary works, the House of Elendil is the House from which the Kings of Arnor and Gondor were descended.
During the War of the Ring, Peregrin Took, a companion of Aragorn's in The Fellowship of the Ring, became a member of the elite Citadel Guard at Minas Tirith, capital of Gondor.
After Calenardhon was given to the Éothéod by Cirion, Steward of Gondor, and became Rohan, Isengard was the sole fortress retained by Gondor north of the Ered Nimrais (excluding Anórien), although Gondor almost forgot about it.
Ithilien, or "Moon-land," is the easternmost province of Gondor, the only part of Gondor across the Great River Anduin lying between the river and the Mountains of Shadow (Ephel Dúath), subdivided by the stream of Morgulduin into North and South Ithilien.
In T.A. 3019 he was crowned King Elessar of the Reunited Kingdom of Gondor and Arnor (Aragorn was an descendant of Fíriel, a princess of Gondor who married prince Arvedui of Fornost a few generations before the line of the kings of Gondor ended).
Features of the Rockall Plateau have been officially named after features of Middle-earth in the fiction of J. R. R. Tolkien, e.g. Eriador Seamount, Rohan Seamount, Gondor Seamount, Fangorn Bank, Edoras Bank, Lorien Knoll, Isengard Ridge.
Also, at the end of The Silmarillion, "Akallabêth", or 'the falling of a star,' recounts the fall of Númenor and its kings, and also the rise of Gondor and Arnor.
Thus, they head south into Gondor's province of Ithilien, where they are accosted by a group of Gondorian rangers led by Faramir, the brother of Boromir.
To this end, the war effort of Mordor was focused in the south in and around Gondor, in a strategy of divide and conquer.