diff --git a/createdatabase.PL b/createdatabase.PL
index 25cba44..a62e7e1 100755
--- a/createdatabase.PL
+++ b/createdatabase.PL
@@ -4760,21 +4760,22 @@ sub country
 {
 	my($file, $state) = @_;
 
+	# Ensure the file argument is provided
 	die if(!defined($file));
 
-	if($file =~ /north-america/) {
-		return 'US'
-	}
-	if($file =~ /australia/) {
-		return 'Australia'
-	}
+	# Check for file patterns and return corresponding country
+	return 'US' if $file =~ /north-america/;
+	return 'Australia' if $file =~ /australia/;
 
-	die if(!defined($state));
+	# Ensure the state argument is provided if needed
+	die "State argument is missing" if not defined $state;
 
-	if($file =~ /europe/) {
-		if(($state eq 'Georgia') || ($state eq 'GA') || (uc($state) eq 'DE') || ($state eq 'VI')) {
-			return $state
-		}
+	# Handle European cases with specific state codes
+	if ($file =~ /europe/) {
+		my %valid_states = map { $_ => 1 } ('Georgia', 'GA', 'DE', 'VI');
+		return $state if $valid_states{$state} || $valid_states{uc($state)};
 	}
-	die "$file/$state"
+
+	# Default case: Raise error with both file and state information
+	die "$file/$state";
 }