diff --git a/localization/sl_SI.inc b/localization/sl_SI.inc
new file mode 100644
index 0000000..e6c63e5
--- /dev/null
+++ b/localization/sl_SI.inc
@@ -0,0 +1,76 @@
+<?php
+/*
+ * Localization file for ident_switch plugin
+ */
+$labels = array();
+
+// Plugin ident_switch
+$labels['form.common.caption'] = 'Razširitev ident_switch';
+
+// Enabled
+$labels['form.common.enabled'] = 'Omogočeno';
+
+// Label
+$labels['form.common.label'] = 'Oznaka';
+
+// Value in \'Label\' field is too long (32 chars max).
+$labels['err.label.long'] = 'Število znakov v polju \'Oznaka\' presega maksimalno število znakov (max 32 znakov).';
+
+
+// IMAP
+$labels['form.imap.caption'] = 'IMAP';
+
+// Server host name
+$labels['form.imap.host'] = 'Ime oz. naslov IMAP strežnika';
+
+// Secure connection (TLS)
+$labels['form.imap.tls'] = 'Varna povezava (TLS)';
+
+// Port
+$labels['form.imap.port'] = 'Vrata';
+
+// Folder hierarchy delimiter
+$labels['form.imap.delimiter'] = 'Ločilo hierarhije map';
+
+// Username
+$labels['form.imap.username'] = 'Uporabniško ime';
+
+// Password
+$labels['form.imap.password'] = 'Geslo';
+
+// Value in \'Username\' field is too long (64 chars max).
+$labels['err.user.long'] = 'Število znakov v polju \'Uporabniško ime\' presega maksimalno število znakov (max 64 znakov).';
+
+
+// SMTP
+$labels['form.smtp.caption'] = 'SMTP';
+
+// Server host name
+$labels['form.smtp.host'] = 'Ime oz. naslov SMTP strežnika';
+
+// Secure connection (TLS)
+$labels['form.smtp.tls'] = 'Varna povezava (TLS)';
+
+// Port
+$labels['form.smtp.port'] = 'Vrata';
+
+// Authorization
+$labels['form.smtp.auth'] = 'Avtorizacija';
+
+// As IMAP
+$labels['form.smtp.auth.imap'] = 'Tako kot IMAP';
+
+// None
+$labels['form.smtp.auth.none'] = 'Brez';
+
+
+// Errors
+
+// Value in \'Server host name\' field is too long (64 chars max).
+$labels['err.host.long'] = 'Število znakov v polju \'Ime oz. naslov IMAP strežnika\' presega maksimalno število znakov (max 64 znakov).';
+
+// Value in \'Port\' field must be a number.
+$labels['err.port.num'] = 'Vrednost \'Vrata\' mora biti številka.';
+
+// Value in \'Port\' field must be between 1 and 65535.
+$labels['err.port.range'] = 'Vrednost v polju \'Vrata\' mora biti med 1 in 65535.';