You can find each building number on the Hongo Campus Map (PDF file) from the above link.
[Bldg.9] Administration Bureau Bldg.2
7F: Ad 704 (Seminar Room 1), Ad 708 (Seminar Room 2), Ad 710 (Seminar Room 3)
6F: Ad 623 (Seminar Room 7), Ad 625 (Seminar Room 8), Ad 610 (Ad Conf.), GraSPP Graduate School Office, Study Halls, Lockers
 Faculty of Law & Letters Bldg. 1
4F: Law A1, Law A2, Law A3, Law A4, Law A5, Law A6, Law B1, Law B2, Law B3, Law B4, Law B5, Law B6
3F: Law 19, Law 26, Law 27, Law B7
1F: Law 21, Law 22
 School of Law Bldg.
4F: S.Law 401, S.Law 402, S.Law 403, S.Law 404
3F: S. Law 301, S. Law 303, S. Law 304, S. Law 305
2F: S. Law 201, S. Law 203, S. Law 204
1F: S. Law 101, S. Law 102
 General Research Bldg. (in Yayoi Section)
5F: Y2, Y505
 Economics Research Bldg.
4F: Ec Lab
3F: Ec 2, Ec 3, Ec 4
2F: Ec 202s – 204s
B1: Ec 1
 Akamon General Research Bldg.
3F: Ec 10s, Ec 11s, Study Hall, Lockers
2F: Ec 6
1F: Ec 7, Ec 3s – 8s, Ec 13s
B1: Ec 8, Ec 9, Ec 1s, Ec 2s
 Economics Research Annex (Kojima Hall)
2F: Kojima Conf.
 Medical Library
3F: MedLib 333
 Faculty of Pharmaceutical Sciences
(West Bldg.) 6F: PhW 607
* The way to get to the PhW 607 (PDF, 641KB)
 Faculty of Engineering Bldg.2
1F: Eng2-211, Eng2-212
 Faculty of Engineering Bldg.3
1F: Eng3-114, Eng3-113
 Faculty of Engineering Bldg.14
 ex. Faculty of Science Bldg.1 (East)
4F: ex. Sci 450
1F: ex. Sci 150
 Faculty of Science Bldg.1 (Center)
9F: Sci1 936
 Faculty of Science Bldg.1 (West)
7F: Sci1 710
 Faculty of Medicine Experimental Research Bldg.
13F: Med SPH, Med 6 seminar
 Faculty of Medicine Bldg.3
 Institute for Advanced Studies on Asia
3F: IASA Main Conf., IASA 1st Conf., IASA 2nd Conf.
 Institute of Social Science
3F: ISS 308(2nd Conf.)
 Information Technology Center (in Asano Section)
1F: ECCS1 (Dai-enshushitsu 1), ECCS2 (Dai-enshushitsu 2)
 Ito International Research Center
3F: Seminar Room
B1: Gallery 1