21st IEEE/ACM International Conference on
Automated Software Engineering

The conference will be held at National Center of Sciences in Tokyo, Japan. The location is indicated as "National Institute of Informatics" in the map as the Institute occupies the Center. The venue is in the center of Tokyo, just close to the Imperial Palace with good access to various sightseeing spots, e.g., Ginza, Shinjuku, Roppongi, Akihabara, Asakusa and Tokyo Tower. Tourism information about Tokyo can be found in the following sites.
Tokyo Convention & Visitors Bureau
Tokyo Essentials
Tokyo Tourism Info/www.kanko.metro.tokyo.jp
Tokyo Attractions - Tokyo sightseeing - Japan Guide
Tokyo city guide, Japan - Time Out Travel, especially, Introduction

Access to the conference hotels is as follows.
Palace Hotel Tokyo
KKR Hotel Tokyo
Tokyo Dome Hotel
Hotel Grand Palace (click "Access")
Tokyo Green Hotel Suidobashi
Grand Central Hotel

You can also enjoy short trips to various places around the Kanto area, e.g., Tokyo Disney Resort, Yokohama, Kamakura, and Nikko. If you have much time, please consider to visit Kyoto, Nara, or Mt. Fuji. You can get more details about Japan in the following sites.
JTB Sunrise Tour
Japan National Tourist Organization
Japan Travel Guide
Japan Travel Information - World Travel
Japan Reference