Arda is the name that JRR Tolkien gave to the Earth (the planet) for the time in which Middle-earth and the other parts mentioned in The Lord of the Rings existed.
Eä was the Universe.
Arda was Earth.
Middle-earth was a continent, of sorts.
The western portion of this continent was Beleriand, where the events of the First Age took place. Beleriand was drowned at the end of the First Age and the War of Wrath.
Ardās is a Persian word derived from 'Arazdashat'. It means a request, supplication, prayer, petition or an address to a superior authority.
Arda Kural is 186 cm.
Arda Denkel died in 2000.
Arda Denkel was born in 1949.
Arda - band - was created in 2000.
FC Arda was created in 1924.
Arda Kanpolat is 180 cm.
Arda Esen is 189 cm.
Arda is the entire world. not just Middle Earth
Arda Vekiloğlu was born in 1979.
Arda Kanpolat was born in 1979, in Ankara, Turkey.
Arda Turan was born on January 30, 1987.
Arda Bowser was born on 1899-01-09.