Do you know whether she is in a UNHCR refugee camp?
If she is you can send her details (name, date of birth, nationality and any other information that might be of help) to UNHCR (The UN Refugee Agency) and they will be able to send the information on to officials at the refugee camp.

UNHCR can be contacted on the following details:

The UN Refugee Agency (UNHCR)
Strand Bridge House
138 - 142 Strand
London
WC2R 1HH

Telephone number:
020 7759 8090

Fax number:
020 7759 8119

Email addresses:
gbrloea@unhcr.org.