civicrm-l10n software package provides CiviCRM country and language data, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install civicrm-l10n
civicrm-l10n is installed in your system.
Make ensure the civicrm-l10n package were installed using the commands given below,
$ sudo dpkg-query -l | grep civicrm-l10n *
You will get with civicrm-l10n package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Language packs |
| Package | civicrm-l10n |
| Version | 4.7.1+dfsg-2ubuntu1 |
| Description | CiviCRM country and language data |
| Sub Section | localization |