Opening hours

Tuesday to Thursday: 10 a.m.–5 p.m.
Friday: 10 a.m.–4 p.m.


A weekend loan service from Friday till Tuesday is available; however, an ID card or equivalent document must be presented to use this service.

Inter-library loaning

  • A regular inter-library loan service
  • Books: Four-week loan period
  • Journal articles: Preparation of photocopies (up to 20 pages free of charge, larger quantities € 0.30 + 19 per cent VAT per page, payment in advance)


In each regional library there are:

  • user workplaces
  • computers with free Internet access
  • coin-operated copiers (€ 0.05 per page).


The GIGA IZ is open to all interested parties, and usage is generally free of charge. External users must adhere to the IZ’s regulations (PDF).

GIGA E-mail System Partly Down: The GIGA is currently overhauling its e-mail infrastructure due to ongoing technical problems. A delay in delivery might occur, but all incoming e-mails will be delivered. We apologise for the inconvenience and expect to be fully operational again soon.