Aliris Sector

Aliris Sector is located Galactic south of Cadia in a star rich section of the Segmentum Obscurus close to the border with the Segmentum Solar. It is bordered on the Galactic North by the Cadian Sector; to the west by Scarus Sector; to the east by the interarm void; with the Solar Segmentum Sector of Imperialis on its southern borders. Notable stellar features include the flower-like Liris Nebula to which the Sector owes its name and St. Emilia's Veil a stellar dust cloud whose streamers stretch across the Marches named in her honor. Because of its position between the Eye of Terror and the Segmentum Solar Aliris has always been considered an important part of Holy Terra's outer defenses. Its history can be traced back without a break to the early days of the Great Crusade, it is populous, wealthy and highly civilized but that history as been lived under constant threat. Aliris Sector has been a theater of war in eight out thirteen Black Crusades and suffered numerous lesser incursions by way of testing Imperial defenses the most famous of these being the Black Sun Crusade of 832.M41.

The Hadronian Wall
This subsector runs all along the border with the Cadian Sector and is heavily militarized as a second line defense against enemies from the Eye. Important worlds in this sub-sector include:

The Wall
The multi-system line of defenses strung along the northern front. Anchored by the Fortress worlds of Sarkomand to the east and Malakand on the west with Hadron System at the center with its dual Fortress planets, Hadron's Sword and Hadron's Shield. Sentinel stations forward of the line, known as Hadron's Eyes, keep a constant watch for Enemy movement from the Eye.

Sanggraal
Homeworld of the Angels Sanguine

Outrenacht
Homeworld of the Legion of Night

Thalarion
Daemon world of Tzeentch blockaded by the White Consuls

Olathoe
Dead world. Formely a flourishing civilized planet destroyed during the 3rd Black Crusade.

Zarr
Forbidden World

Xura
Daemon world of Slaanesh blockaded by the Legion of Night

Sona-Nyl
Eldar Craftworld

Cathuria
Forbidden world

Kelephais
Civilized World orbited by the sky-city of Cerenea.

The Emilian Marches
This sub-sector borders Scarus and is dominated by two rival worlds each of whom has built up a small dominion of colonies and allies. Both also constantly intrigue against the control of the Lord Sector. Planets include:

Gallica
Civilized World, one of the two major power of the sub-sector

Iber
Civilized World, the second major power.

Avita
Shrine world and fomer Cardinal world. Burial place of St. Emilia.

Loegre
Civilized World and Imperial Naval Base.

Rudolphin Sub-Sector
Characterized by constant infighting between the gubernatorial Houses controlling the various worlds. Alliances and the size and shape of House dominions shift constantly accompanied by small wars between mercenary armies and PDFs. The leading planets of this sub-sector include:

Romuleia
Cardinal Shrine world. At present on the ascendant under Arch-Cardinal Appian Bossus.

Lilium
Hive world. Presently under the domination of Frater Sant Divolo, an extreme Redemptionist Reformer.

Mila
Hive world. Presently suffering a bloody war of succession between the factions of the youthful Governor-presumptive and his uncle and regent.

Neapolis
Hive world. At present in a state of undeclared war with the Romuleian dominion under Cardian Bossus.

Serenissa
Civilized world. Capital of an alliance of Merchant Princes and Chartists Captains who control half of civilian interstellar trade in the Sector and are intriguing for it all.

Almagest Sub-Sector
This sub-sector includes multi-planet and star spanning civilizations pre-dating the Imperium as well as world that used the Imperial presence to secure independence from same. Ill feeling still exists ten thousand years later. Prominent worlds include:

Ptolemy System
Consisting of the Hive world of Alexandretta; the agri-world of Ptolemy-Beta; the mining world of Ptolemy-Gamma; and the gas giant Ptolemy Delta with its green pleasure moon Cypria,

Seleucos Cluster
Comprising A dozen or so habitable planets and moons all under the authority of the Cluster Governor, known locally as the Kyriarch.

Antigon
Hive world. Once under Ptolemaic rule. It is riven by constant conflict between the various Hives. Gubernatorial control is precarious to say the least.

Attala
Hive world. Once part of the Seleucid Kyriarchy. Arid and extremely hot, frequently swept by burning windstorms. Outcroppings of tortured stone spires have been hollowed into Hives and the crust is honeycombed with the mines that bring the planet its wealth. Orbited by the Pleasure Moon of Pergamos where the governor has his seat.

Liriopian Sub-Sector
Due north of the Imperialis Sector it takes its name from the lily-like nebula at its heart. Seat of the Sector Lord. Its chief planets are:

Liriopis
Hive World. Sector capital and headquarters of the Alirian Merchant Adventurers, commissioned by the Lord Sector to compete with the Merchants of Serenissa. Orbited by a necklace of inhabited moons. The Green Moon is a huge pleasure park with both public and private sectors. The White Moon is a massive fortress and HQ of the Sector Fleet. The Red Moon is, appropriately, a fief of the Adeptus Mechanicus. Liriope X, a ringed planet on the edge of the system, is an Inquisitorial Fortress and HQ of the Alirian Conclave.

Dominica
Fief of the Adepta Sororitas, location of the Abbey of the Silver Star, a cell of the Convent Prioris.

Bezant
Cardinal Shrine world.

Cato
Pro-consular world of the White Consuls chapter.

Weland
Forge World

Daedalus
Forge world

Vulcanis
Forge world

The Podromos Reach
The galactic eastern fringe of the Sector made up of widely scattered stars trailingway into the emptiness between spiral arms. Important worlds include:

Zode I & II
A double planetary system Zode I is a dead world and the home of the Phoenix Brethren. Zode II is an feral world and the source of their recruits.

Ilek-Vad
Eldar Craftworld

Dylath-Leen
Eldar Craftworld 

Ulthor
Frontier world

Oriab
Feudal worlds

Thraan
Hive world

Hlanith
Imperial Naval Base

Inqanok
Civilized world

Eneas Dikaion
Lord Sector of Aliris

Elissa Dikaion
Sector Consort

Appian Bossus
Cardinal Astra with dominion over the dioceses of the western portion of the Aliris Sector, contests the Cardinal of Bezant for the title of Arch Cardinal of the Sector a schism that has been running on for about a millenia and half now.