Newtro is the fifth extended play by South Korean girl group DIA.

It was released digitally on March 19, 2019 and physically on March 29, 2019 by MBK Entertainment under Kakao M's music distribution.

[1][2][3] Jenny did not participate in the album's recordings and promotions due to health concerns before her departure from the group on July 6, 2019.

[4][5] The EP was released through several music portals, including MelOn in South Korea, and iTunes for the global market.

[15] It also charted at number 42 for the month of April with 5,110 additional copies sold.