1830m

1830m is the second album by the Japanese female idol group AKB48. It is a double-album release and was released in Japan on August 15, 2012 by King Records. It sold 1,051,000 copies.

Album information
The title 1830m reflects the distance from AKB48 Theater in Akihabara to Tokyo Dome, an indoor baseball stadium with over-50,000 capacity where AKB48 had performed for the first time, from August 24 to 26, 2012. It was released in two editions, a regular edition in a special box with a 48-page photobook, a bonus DVD, and a random photo, and a theater edition with 14 alternate covers, a handshake event ticket, and a photo of an AKB48/SKE48/NMB48/HKT48 member chosen at random.

This is the last album to feature Team A member and the group's ace Atsuko Maeda.

Reception
The album debuted at number one in the Oricon weekly album charts. In August 2012, the album was certified Million by the Recording Industry Association of Japan.

Senbatsu
Promotional picture (21 members):
 * Team A: Haruna Kojima, Mariko Shinoda, Aki Takajo, Minami Takahashi, Atsuko Maeda
 * Team K: Tomomi Itano, Ayaka Umeda, Yuko Oshima, Minami Minegishi, Sae Miyazawa, Yui Yokoyama
 * Team B: Tomomi Kasai, Yuki Kashiwagi, Rie Kitahara, Mayu Watanabe
 * Team 4: Haruka Shimazaki
 * Team S: Jurina Matsui, Rena Matsui
 * Team N: Sayaka Yamamoto, Miyuki Watanabe
 * Team H: Rino Sashihara

Track listing
CD1 contains the following first-time studio recordings, which have all been performed on team stages: "First Rabbit", "Miniskirt no Yōsei", "Lemon no Toshigoro", "Ren'ai Sōsenkyo", "Romance Kakurenbo" and B-sides which only appeared on theater editions of their singles which are "Jung ya Freud no Baai" (from "Give Me Five!"), "Hashire! Penguin" (from "Ue kara Mariko"), "Yasai Uranai" (from "Flying Get"), Anti (from "Everyday, Katyusha"), "Ōgon Center" (from "Sakura no Ki ni Narō") and "Tsubomitachi" (from "Kaze wa Fuiteiru").

CD2 contains sixteen new songs, plus Atsuko Maeda's solo version of "Sakura no Hanabiratachi"

Regular Edition
The DVD contains a set of 2:30 choreography videos (different angles, etc.) for each of the 4 songs.

Theater Edition
Same as on the Regular Edition
 * CD disc 1

13 tracks, same as on the Regular Edition minus 4 commercial tie-up tracks: "Daiji na Jikan", "Gū Gū Onaka", "Yasashisa no Chizu", and "Itterasshai".
 * CD disc 2